.DepBody{
    width: 100%;
    height: 100%;
    background-image: url('../image/组18.png');
    background-size: cover;
    text-align: center;
}

.title{
    color: aliceblue;
    text-shadow: 2px 2px 4px #41e5be;
    position: relative;
    top: 10px;
}

.btn{
    width: 200px;
    height: 50px;
    margin-top: 300px;
    text-align: center;
    line-height: 50px;
    color: #fff;
    text-shadow: 0.15vw 0.15vw 0.3vw #16827e;
    box-shadow: 2px 2px 4px #16827e;
    background-color: #1e9399;
}